As more sensitive data is shared and stored by third-party sites on the Internet, there will be
a need to encrypt data stored at these sites. One drawback of encrypting data, is that it can …

In several distributed systems a user should only be able to access data if a user posses a
certain set of credentials or attributes. Currently, the only method for enforcing such policies …

The Internet of Things has facilitated access to a large volume of sensitive information on
each participating object in an ecosystem. This imposes many threats ranging from the risks …

Trust management systems are frameworks for authorization in modern distributed systems,
allowing remotely accessible resources to be protected by providers. By allowing providers …

Policies are pervasive in web applications. They play crucial roles in enhancing security,
privacy and usability of distributed services. There has been extensive research in the area …

With the arrival of the European Union's General Data Protection Regulation (GDPR),
several companies are making significant changes to their systems to achieve compliance …

In recent years we have seen significant advances in the technology used to both publish
and consume structured data using the existing web infrastructure, commonly referred to as …

Grid computing allows sharing of services and resources accross institutions. However,
current Grid security mechanisms for authentication and authorization are too rigid and they …

We introduce the provisional trust negotiation framework PROTUNE, for combining
distributed trust management policies with provisional-style business rules and access …

Researchers have recently begun to develop and investigate policy languages to describe
trust and security requirements on the Semantic Web. Such policies will be one component …